258128320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26021}}^1$

素因数の和:26069

約数の個数: 56

約数和(自身を含む): 634520448

約数和(自身を除く): 376392128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 26021, 52042, 104084, 130105, 208168, 260210, 416336, 520420, 806651, 832672, 1040840, 1613302, 1665344, 2081680, 3226604, 4033255, 4163360, 6453208, 8066510, 8326720, 12906416, 16133020, 25812832, 32266040, 51625664, 64532080, 129064160, 258128320]

約数ペア:

[(1, 258128320), (2, 129064160), (4, 64532080), (5, 51625664), (8, 32266040), (10, 25812832), (16, 16133020), (20, 12906416), (31, 8326720), (32, 8066510), (40, 6453208), (62, 4163360), (64, 4033255), (80, 3226604), (124, 2081680), (155, 1665344), (160, 1613302), (248, 1040840), (310, 832672), (320, 806651), (496, 520420), (620, 416336), (992, 260210), (1240, 208168), (1984, 130105), (2480, 104084), (4960, 52042), (9920, 26021)]