65581100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 155958768

約数和(自身を除く): 90377668

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 827, 1220, 1300, 1525, 1586, 1654, 3050, 3172, 3308, 3965, 4135, 6100, 7930, 8270, 10751, 15860, 16540, 19825, 20675, 21502, 39650, 41350, 43004, 50447, 53755, 79300, 82700, 100894, 107510, 201788, 215020, 252235, 268775, 504470, 537550, 655811, 1008940, 1075100, 1261175, 1311622, 2522350, 2623244, 3279055, 5044700, 6558110, 13116220, 16395275, 32790550, 65581100]

約数ペア:

[(1, 65581100), (2, 32790550), (4, 16395275), (5, 13116220), (10, 6558110), (13, 5044700), (20, 3279055), (25, 2623244), (26, 2522350), (50, 1311622), (52, 1261175), (61, 1075100), (65, 1008940), (100, 655811), (122, 537550), (130, 504470), (244, 268775), (260, 252235), (305, 215020), (325, 201788), (610, 107510), (650, 100894), (793, 82700), (827, 79300), (1220, 53755), (1300, 50447), (1525, 43004), (1586, 41350), (1654, 39650), (3050, 21502), (3172, 20675), (3308, 19825), (3965, 16540), (4135, 15860), (6100, 10751), (7930, 8270)]