2605706240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16417}}^1$

素因数の和:16473

約数の個数: 88

約数和(自身を含む): 6452668032

約数和(自身を除く): 3846961792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 16417, 19840, 31744, 32834, 39680, 65668, 79360, 82085, 131336, 158720, 164170, 262672, 328340, 508927, 525344, 656680, 1017854, 1050688, 1313360, 2035708, 2101376, 2544635, 2626720, 4071416, 4202752, 5089270, 5253440, 8142832, 8405504, 10178540, 10506880, 16285664, 16811008, 20357080, 21013760, 32571328, 40714160, 42027520, 65142656, 81428320, 84055040, 130285312, 162856640, 260570624, 325713280, 521141248, 651426560, 1302853120, 2605706240]

約数ペア:

[(1, 2605706240), (2, 1302853120), (4, 651426560), (5, 521141248), (8, 325713280), (10, 260570624), (16, 162856640), (20, 130285312), (31, 84055040), (32, 81428320), (40, 65142656), (62, 42027520), (64, 40714160), (80, 32571328), (124, 21013760), (128, 20357080), (155, 16811008), (160, 16285664), (248, 10506880), (256, 10178540), (310, 8405504), (320, 8142832), (496, 5253440), (512, 5089270), (620, 4202752), (640, 4071416), (992, 2626720), (1024, 2544635), (1240, 2101376), (1280, 2035708), (1984, 1313360), (2480, 1050688), (2560, 1017854), (3968, 656680), (4960, 525344), (5120, 508927), (7936, 328340), (9920, 262672), (15872, 164170), (16417, 158720), (19840, 131336), (31744, 82085), (32834, 79360), (39680, 65668)]