260072020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 622734336

約数和(自身を除く): 362662316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 124, 130, 155, 164, 205, 260, 310, 403, 410, 533, 620, 787, 806, 820, 1066, 1271, 1574, 1612, 2015, 2132, 2542, 2665, 3148, 3935, 4030, 5084, 5330, 6355, 7870, 8060, 10231, 10660, 12710, 15740, 16523, 20462, 24397, 25420, 32267, 33046, 40924, 48794, 51155, 64534, 66092, 82615, 97588, 102310, 121985, 129068, 161335, 165230, 204620, 243970, 317161, 322670, 330460, 419471, 487940, 634322, 645340, 838942, 1000277, 1268644, 1585805, 1677884, 2000554, 2097355, 3171610, 4001108, 4194710, 5001385, 6343220, 8389420, 10002770, 13003601, 20005540, 26007202, 52014404, 65018005, 130036010, 260072020]

約数ペア:

[(1, 260072020), (2, 130036010), (4, 65018005), (5, 52014404), (10, 26007202), (13, 20005540), (20, 13003601), (26, 10002770), (31, 8389420), (41, 6343220), (52, 5001385), (62, 4194710), (65, 4001108), (82, 3171610), (124, 2097355), (130, 2000554), (155, 1677884), (164, 1585805), (205, 1268644), (260, 1000277), (310, 838942), (403, 645340), (410, 634322), (533, 487940), (620, 419471), (787, 330460), (806, 322670), (820, 317161), (1066, 243970), (1271, 204620), (1574, 165230), (1612, 161335), (2015, 129068), (2132, 121985), (2542, 102310), (2665, 97588), (3148, 82615), (3935, 66092), (4030, 64534), (5084, 51155), (5330, 48794), (6355, 40924), (7870, 33046), (8060, 32267), (10231, 25420), (10660, 24397), (12710, 20462), (15740, 16523)]