31541900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 77651280

約数和(自身を除く): 46109380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1277, 1300, 1900, 2470, 2554, 4940, 5108, 6175, 6385, 12350, 12770, 16601, 24263, 24700, 25540, 31925, 33202, 48526, 63850, 66404, 83005, 97052, 121315, 127700, 166010, 242630, 315419, 332020, 415025, 485260, 606575, 630838, 830050, 1213150, 1261676, 1577095, 1660100, 2426300, 3154190, 6308380, 7885475, 15770950, 31541900]

約数ペア:

[(1, 31541900), (2, 15770950), (4, 7885475), (5, 6308380), (10, 3154190), (13, 2426300), (19, 1660100), (20, 1577095), (25, 1261676), (26, 1213150), (38, 830050), (50, 630838), (52, 606575), (65, 485260), (76, 415025), (95, 332020), (100, 315419), (130, 242630), (190, 166010), (247, 127700), (260, 121315), (325, 97052), (380, 83005), (475, 66404), (494, 63850), (650, 48526), (950, 33202), (988, 31925), (1235, 25540), (1277, 24700), (1300, 24263), (1900, 16601), (2470, 12770), (2554, 12350), (4940, 6385), (5108, 6175)]