1042420880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{420331}}^1$

素因数の和:420375

約数の個数: 40

約数和(自身を含む): 2501816064

約数和(自身を除く): 1459395184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 420331, 840662, 1681324, 2101655, 3362648, 4203310, 6725296, 8406620, 13030261, 16813240, 26060522, 33626480, 52121044, 65151305, 104242088, 130302610, 208484176, 260605220, 521210440, 1042420880]

約数ペア:

[(1, 1042420880), (2, 521210440), (4, 260605220), (5, 208484176), (8, 130302610), (10, 104242088), (16, 65151305), (20, 52121044), (31, 33626480), (40, 26060522), (62, 16813240), (80, 13030261), (124, 8406620), (155, 6725296), (248, 4203310), (310, 3362648), (496, 2101655), (620, 1681324), (1240, 840662), (2480, 420331)]