41393990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 85708800

約数和(自身を除く): 44314810

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 199, 305, 310, 341, 398, 610, 671, 682, 995, 1342, 1705, 1891, 1990, 2189, 3355, 3410, 3782, 4378, 6169, 6710, 9455, 10945, 12139, 12338, 18910, 20801, 21890, 24278, 30845, 41602, 60695, 61690, 67859, 104005, 121390, 133529, 135718, 208010, 267058, 339295, 376309, 667645, 678590, 752618, 1335290, 1881545, 3763090, 4139399, 8278798, 20696995, 41393990]

約数ペア:

[(1, 41393990), (2, 20696995), (5, 8278798), (10, 4139399), (11, 3763090), (22, 1881545), (31, 1335290), (55, 752618), (61, 678590), (62, 667645), (110, 376309), (122, 339295), (155, 267058), (199, 208010), (305, 135718), (310, 133529), (341, 121390), (398, 104005), (610, 67859), (671, 61690), (682, 60695), (995, 41602), (1342, 30845), (1705, 24278), (1891, 21890), (1990, 20801), (2189, 18910), (3355, 12338), (3410, 12139), (3782, 10945), (4378, 9455), (6169, 6710)]