4951960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 12247200

約数和(自身を除く): 7295240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 107, 130, 178, 214, 260, 356, 428, 445, 520, 535, 712, 856, 890, 1070, 1157, 1391, 1780, 2140, 2314, 2782, 3560, 4280, 4628, 5564, 5785, 6955, 9256, 9523, 11128, 11570, 13910, 19046, 23140, 27820, 38092, 46280, 47615, 55640, 76184, 95230, 123799, 190460, 247598, 380920, 495196, 618995, 990392, 1237990, 2475980, 4951960]

約数ペア:

[(1, 4951960), (2, 2475980), (4, 1237990), (5, 990392), (8, 618995), (10, 495196), (13, 380920), (20, 247598), (26, 190460), (40, 123799), (52, 95230), (65, 76184), (89, 55640), (104, 47615), (107, 46280), (130, 38092), (178, 27820), (214, 23140), (260, 19046), (356, 13910), (428, 11570), (445, 11128), (520, 9523), (535, 9256), (712, 6955), (856, 5785), (890, 5564), (1070, 4628), (1157, 4280), (1391, 3560), (1780, 2782), (2140, 2314)]