528819980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{33343}}^1$

素因数の和:33426

約数の個数: 48

約数和(自身を含む): 1215588864

約数和(自身を除く): 686768884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 33343, 66686, 133372, 166715, 333430, 433459, 666860, 866918, 1733836, 2033923, 2167295, 4067846, 4334590, 8135692, 8669180, 10169615, 20339230, 26440999, 40678460, 52881998, 105763996, 132204995, 264409990, 528819980]

約数ペア:

[(1, 528819980), (2, 264409990), (4, 132204995), (5, 105763996), (10, 52881998), (13, 40678460), (20, 26440999), (26, 20339230), (52, 10169615), (61, 8669180), (65, 8135692), (122, 4334590), (130, 4067846), (244, 2167295), (260, 2033923), (305, 1733836), (610, 866918), (793, 666860), (1220, 433459), (1586, 333430), (3172, 166715), (3965, 133372), (7930, 66686), (15860, 33343)]