64761940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 140434560

約数和(自身を除く): 75672620

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 773, 1180, 1420, 1546, 3092, 3865, 4189, 7730, 8378, 15460, 16756, 20945, 41890, 45607, 54883, 83780, 91214, 109766, 182428, 219532, 228035, 274415, 456070, 548830, 912140, 1097660, 3238097, 6476194, 12952388, 16190485, 32380970, 64761940]

約数ペア:

[(1, 64761940), (2, 32380970), (4, 16190485), (5, 12952388), (10, 6476194), (20, 3238097), (59, 1097660), (71, 912140), (118, 548830), (142, 456070), (236, 274415), (284, 228035), (295, 219532), (355, 182428), (590, 109766), (710, 91214), (773, 83780), (1180, 54883), (1420, 45607), (1546, 41890), (3092, 20945), (3865, 16756), (4189, 15460), (7730, 8378)]