38639840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 96181344

約数和(自身を除く): 57541504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 107, 122, 148, 160, 185, 214, 244, 296, 305, 370, 428, 488, 535, 592, 610, 740, 856, 976, 1070, 1184, 1220, 1480, 1712, 1952, 2140, 2257, 2440, 2960, 3424, 3959, 4280, 4514, 4880, 5920, 6527, 7918, 8560, 9028, 9760, 11285, 13054, 15836, 17120, 18056, 19795, 22570, 26108, 31672, 32635, 36112, 39590, 45140, 52216, 63344, 65270, 72224, 79180, 90280, 104432, 126688, 130540, 158360, 180560, 208864, 241499, 261080, 316720, 361120, 482998, 522160, 633440, 965996, 1044320, 1207495, 1931992, 2414990, 3863984, 4829980, 7727968, 9659960, 19319920, 38639840]

約数ペア:

[(1, 38639840), (2, 19319920), (4, 9659960), (5, 7727968), (8, 4829980), (10, 3863984), (16, 2414990), (20, 1931992), (32, 1207495), (37, 1044320), (40, 965996), (61, 633440), (74, 522160), (80, 482998), (107, 361120), (122, 316720), (148, 261080), (160, 241499), (185, 208864), (214, 180560), (244, 158360), (296, 130540), (305, 126688), (370, 104432), (428, 90280), (488, 79180), (535, 72224), (592, 65270), (610, 63344), (740, 52216), (856, 45140), (976, 39590), (1070, 36112), (1184, 32635), (1220, 31672), (1480, 26108), (1712, 22570), (1952, 19795), (2140, 18056), (2257, 17120), (2440, 15836), (2960, 13054), (3424, 11285), (3959, 9760), (4280, 9028), (4514, 8560), (4880, 7918), (5920, 6527)]