26993720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 71245440

約数和(自身を除く): 44251720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 37, 40, 46, 52, 61, 65, 74, 92, 104, 115, 122, 130, 148, 184, 185, 230, 244, 260, 296, 299, 305, 370, 460, 481, 488, 520, 598, 610, 740, 793, 851, 920, 962, 1196, 1220, 1403, 1480, 1495, 1586, 1702, 1924, 2257, 2392, 2405, 2440, 2806, 2990, 3172, 3404, 3848, 3965, 4255, 4514, 4810, 5612, 5980, 6344, 6808, 7015, 7930, 8510, 9028, 9620, 11063, 11224, 11285, 11960, 14030, 15860, 17020, 18056, 18239, 19240, 22126, 22570, 28060, 29341, 31720, 34040, 36478, 44252, 45140, 51911, 55315, 56120, 58682, 72956, 88504, 90280, 91195, 103822, 110630, 117364, 145912, 146705, 182390, 207644, 221260, 234728, 259555, 293410, 364780, 415288, 442520, 519110, 586820, 674843, 729560, 1038220, 1173640, 1349686, 2076440, 2699372, 3374215, 5398744, 6748430, 13496860, 26993720]

約数ペア:

[(1, 26993720), (2, 13496860), (4, 6748430), (5, 5398744), (8, 3374215), (10, 2699372), (13, 2076440), (20, 1349686), (23, 1173640), (26, 1038220), (37, 729560), (40, 674843), (46, 586820), (52, 519110), (61, 442520), (65, 415288), (74, 364780), (92, 293410), (104, 259555), (115, 234728), (122, 221260), (130, 207644), (148, 182390), (184, 146705), (185, 145912), (230, 117364), (244, 110630), (260, 103822), (296, 91195), (299, 90280), (305, 88504), (370, 72956), (460, 58682), (481, 56120), (488, 55315), (520, 51911), (598, 45140), (610, 44252), (740, 36478), (793, 34040), (851, 31720), (920, 29341), (962, 28060), (1196, 22570), (1220, 22126), (1403, 19240), (1480, 18239), (1495, 18056), (1586, 17020), (1702, 15860), (1924, 14030), (2257, 11960), (2392, 11285), (2405, 11224), (2440, 11063), (2806, 9620), (2990, 9028), (3172, 8510), (3404, 7930), (3848, 7015), (3965, 6808), (4255, 6344), (4514, 5980), (4810, 5612)]