25987300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 59496192

約数和(自身を除く): 33508892

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 101, 124, 155, 166, 202, 310, 332, 404, 415, 505, 620, 775, 830, 1010, 1550, 1660, 2020, 2075, 2525, 2573, 3100, 3131, 4150, 5050, 5146, 6262, 8300, 8383, 10100, 10292, 12524, 12865, 15655, 16766, 25730, 31310, 33532, 41915, 51460, 62620, 64325, 78275, 83830, 128650, 156550, 167660, 209575, 257300, 259873, 313100, 419150, 519746, 838300, 1039492, 1299365, 2598730, 5197460, 6496825, 12993650, 25987300]

約数ペア:

[(1, 25987300), (2, 12993650), (4, 6496825), (5, 5197460), (10, 2598730), (20, 1299365), (25, 1039492), (31, 838300), (50, 519746), (62, 419150), (83, 313100), (100, 259873), (101, 257300), (124, 209575), (155, 167660), (166, 156550), (202, 128650), (310, 83830), (332, 78275), (404, 64325), (415, 62620), (505, 51460), (620, 41915), (775, 33532), (830, 31310), (1010, 25730), (1550, 16766), (1660, 15655), (2020, 12865), (2075, 12524), (2525, 10292), (2573, 10100), (3100, 8383), (3131, 8300), (4150, 6262), (5050, 5146)]