27661720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 69400800

約数和(自身を除く): 41739080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2141, 2584, 3230, 4282, 6460, 8564, 10705, 12920, 17128, 21410, 36397, 40679, 42820, 72794, 81358, 85640, 145588, 162716, 181985, 203395, 291176, 325432, 363970, 406790, 691543, 727940, 813580, 1383086, 1455880, 1627160, 2766172, 3457715, 5532344, 6915430, 13830860, 27661720]

約数ペア:

[(1, 27661720), (2, 13830860), (4, 6915430), (5, 5532344), (8, 3457715), (10, 2766172), (17, 1627160), (19, 1455880), (20, 1383086), (34, 813580), (38, 727940), (40, 691543), (68, 406790), (76, 363970), (85, 325432), (95, 291176), (136, 203395), (152, 181985), (170, 162716), (190, 145588), (323, 85640), (340, 81358), (380, 72794), (646, 42820), (680, 40679), (760, 36397), (1292, 21410), (1615, 17128), (2141, 12920), (2584, 10705), (3230, 8564), (4282, 6460)]