205014560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4018

約数の個数: 96

約数和(自身を含む): 539965440

約数和(自身を除く): 334950880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 3967, 5168, 6460, 7934, 10336, 12920, 15868, 19835, 25840, 31736, 39670, 51680, 63472, 67439, 75373, 79340, 126944, 134878, 150746, 158680, 269756, 301492, 317360, 337195, 376865, 539512, 602984, 634720, 674390, 753730, 1079024, 1205968, 1281341, 1348780, 1507460, 2158048, 2411936, 2562682, 2697560, 3014920, 5125364, 5395120, 6029840, 6406705, 10250728, 10790240, 12059680, 12813410, 20501456, 25626820, 41002912, 51253640, 102507280, 205014560]

約数ペア:

[(1, 205014560), (2, 102507280), (4, 51253640), (5, 41002912), (8, 25626820), (10, 20501456), (16, 12813410), (17, 12059680), (19, 10790240), (20, 10250728), (32, 6406705), (34, 6029840), (38, 5395120), (40, 5125364), (68, 3014920), (76, 2697560), (80, 2562682), (85, 2411936), (95, 2158048), (136, 1507460), (152, 1348780), (160, 1281341), (170, 1205968), (190, 1079024), (272, 753730), (304, 674390), (323, 634720), (340, 602984), (380, 539512), (544, 376865), (608, 337195), (646, 317360), (680, 301492), (760, 269756), (1292, 158680), (1360, 150746), (1520, 134878), (1615, 126944), (2584, 79340), (2720, 75373), (3040, 67439), (3230, 63472), (3967, 51680), (5168, 39670), (6460, 31736), (7934, 25840), (10336, 19835), (12920, 15868)]