25923980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 60691680

約数和(自身を除く): 34767700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4013, 6460, 8026, 16052, 20065, 40130, 68221, 76247, 80260, 136442, 152494, 272884, 304988, 341105, 381235, 682210, 762470, 1296199, 1364420, 1524940, 2592398, 5184796, 6480995, 12961990, 25923980]

約数ペア:

[(1, 25923980), (2, 12961990), (4, 6480995), (5, 5184796), (10, 2592398), (17, 1524940), (19, 1364420), (20, 1296199), (34, 762470), (38, 682210), (68, 381235), (76, 341105), (85, 304988), (95, 272884), (170, 152494), (190, 136442), (323, 80260), (340, 76247), (380, 68221), (646, 40130), (1292, 20065), (1615, 16052), (3230, 8026), (4013, 6460)]