40594640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 80

約数和(自身を含む): 105261120

約数和(自身を除く): 64666480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1571, 1615, 2584, 3142, 3230, 5168, 6284, 6460, 7855, 12568, 12920, 15710, 25136, 25840, 26707, 29849, 31420, 53414, 59698, 62840, 106828, 119396, 125680, 133535, 149245, 213656, 238792, 267070, 298490, 427312, 477584, 507433, 534140, 596980, 1014866, 1068280, 1193960, 2029732, 2136560, 2387920, 2537165, 4059464, 5074330, 8118928, 10148660, 20297320, 40594640]

約数ペア:

[(1, 40594640), (2, 20297320), (4, 10148660), (5, 8118928), (8, 5074330), (10, 4059464), (16, 2537165), (17, 2387920), (19, 2136560), (20, 2029732), (34, 1193960), (38, 1068280), (40, 1014866), (68, 596980), (76, 534140), (80, 507433), (85, 477584), (95, 427312), (136, 298490), (152, 267070), (170, 238792), (190, 213656), (272, 149245), (304, 133535), (323, 125680), (340, 119396), (380, 106828), (646, 62840), (680, 59698), (760, 53414), (1292, 31420), (1360, 29849), (1520, 26707), (1571, 25840), (1615, 25136), (2584, 15710), (3142, 12920), (3230, 12568), (5168, 7855), (6284, 6460)]