1649771120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{29587}}^1$

素因数の和:29658

約数の個数: 80

約数和(自身を含む): 4160546208

約数和(自身を除く): 2510775088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 3280, 3485, 5576, 6970, 11152, 13940, 27880, 29587, 55760, 59174, 118348, 147935, 236696, 295870, 473392, 502979, 591740, 1005958, 1183480, 1213067, 2011916, 2366960, 2426134, 2514895, 4023832, 4852268, 5029790, 6065335, 8047664, 9704536, 10059580, 12130670, 19409072, 20119160, 20622139, 24261340, 40238320, 41244278, 48522680, 82488556, 97045360, 103110695, 164977112, 206221390, 329954224, 412442780, 824885560, 1649771120]

約数ペア:

[(1, 1649771120), (2, 824885560), (4, 412442780), (5, 329954224), (8, 206221390), (10, 164977112), (16, 103110695), (17, 97045360), (20, 82488556), (34, 48522680), (40, 41244278), (41, 40238320), (68, 24261340), (80, 20622139), (82, 20119160), (85, 19409072), (136, 12130670), (164, 10059580), (170, 9704536), (205, 8047664), (272, 6065335), (328, 5029790), (340, 4852268), (410, 4023832), (656, 2514895), (680, 2426134), (697, 2366960), (820, 2011916), (1360, 1213067), (1394, 1183480), (1640, 1005958), (2788, 591740), (3280, 502979), (3485, 473392), (5576, 295870), (6970, 236696), (11152, 147935), (13940, 118348), (27880, 59174), (29587, 55760)]