20776600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 53277840

約数和(自身を除く): 32501240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 130, 131, 200, 244, 260, 262, 305, 325, 488, 520, 524, 610, 650, 655, 793, 1048, 1220, 1300, 1310, 1525, 1586, 1703, 2440, 2600, 2620, 3050, 3172, 3275, 3406, 3965, 5240, 6100, 6344, 6550, 6812, 7930, 7991, 8515, 12200, 13100, 13624, 15860, 15982, 17030, 19825, 26200, 31720, 31964, 34060, 39650, 39955, 42575, 63928, 68120, 79300, 79910, 85150, 103883, 158600, 159820, 170300, 199775, 207766, 319640, 340600, 399550, 415532, 519415, 799100, 831064, 1038830, 1598200, 2077660, 2597075, 4155320, 5194150, 10388300, 20776600]

約数ペア:

[(1, 20776600), (2, 10388300), (4, 5194150), (5, 4155320), (8, 2597075), (10, 2077660), (13, 1598200), (20, 1038830), (25, 831064), (26, 799100), (40, 519415), (50, 415532), (52, 399550), (61, 340600), (65, 319640), (100, 207766), (104, 199775), (122, 170300), (130, 159820), (131, 158600), (200, 103883), (244, 85150), (260, 79910), (262, 79300), (305, 68120), (325, 63928), (488, 42575), (520, 39955), (524, 39650), (610, 34060), (650, 31964), (655, 31720), (793, 26200), (1048, 19825), (1220, 17030), (1300, 15982), (1310, 15860), (1525, 13624), (1586, 13100), (1703, 12200), (2440, 8515), (2600, 7991), (2620, 7930), (3050, 6812), (3172, 6550), (3275, 6344), (3406, 6100), (3965, 5240)]