39898240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2061

約数の個数: 64

約数和(自身を含む): 98507520

約数和(自身を除く): 58609280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2011, 2480, 3968, 4022, 4960, 8044, 9920, 10055, 16088, 19840, 20110, 32176, 40220, 62341, 64352, 80440, 124682, 128704, 160880, 249364, 257408, 311705, 321760, 498728, 623410, 643520, 997456, 1246820, 1287040, 1994912, 2493640, 3989824, 4987280, 7979648, 9974560, 19949120, 39898240]

約数ペア:

[(1, 39898240), (2, 19949120), (4, 9974560), (5, 7979648), (8, 4987280), (10, 3989824), (16, 2493640), (20, 1994912), (31, 1287040), (32, 1246820), (40, 997456), (62, 643520), (64, 623410), (80, 498728), (124, 321760), (128, 311705), (155, 257408), (160, 249364), (248, 160880), (310, 128704), (320, 124682), (496, 80440), (620, 64352), (640, 62341), (992, 40220), (1240, 32176), (1984, 20110), (2011, 19840), (2480, 16088), (3968, 10055), (4022, 9920), (4960, 8044)]