39690850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 78923520

約数和(自身を除く): 39232670

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 883, 899, 1450, 1550, 1766, 1798, 4415, 4495, 8830, 8990, 22075, 22475, 25607, 27373, 44150, 44950, 51214, 54746, 128035, 136865, 256070, 273730, 640175, 684325, 793817, 1280350, 1368650, 1587634, 3969085, 7938170, 19845425, 39690850]

約数ペア:

[(1, 39690850), (2, 19845425), (5, 7938170), (10, 3969085), (25, 1587634), (29, 1368650), (31, 1280350), (50, 793817), (58, 684325), (62, 640175), (145, 273730), (155, 256070), (290, 136865), (310, 128035), (725, 54746), (775, 51214), (883, 44950), (899, 44150), (1450, 27373), (1550, 25607), (1766, 22475), (1798, 22075), (4415, 8990), (4495, 8830)]