40991390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 84369600

約数和(自身を除く): 43378210

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 61, 82, 110, 122, 149, 205, 298, 305, 410, 451, 610, 671, 745, 902, 1342, 1490, 1639, 2255, 2501, 3278, 3355, 4510, 5002, 6109, 6710, 8195, 9089, 12218, 12505, 16390, 18178, 25010, 27511, 30545, 45445, 55022, 61090, 67199, 90890, 99979, 134398, 137555, 199958, 275110, 335995, 372649, 499895, 671990, 745298, 999790, 1863245, 3726490, 4099139, 8198278, 20495695, 40991390]

約数ペア:

[(1, 40991390), (2, 20495695), (5, 8198278), (10, 4099139), (11, 3726490), (22, 1863245), (41, 999790), (55, 745298), (61, 671990), (82, 499895), (110, 372649), (122, 335995), (149, 275110), (205, 199958), (298, 137555), (305, 134398), (410, 99979), (451, 90890), (610, 67199), (671, 61090), (745, 55022), (902, 45445), (1342, 30545), (1490, 27511), (1639, 25010), (2255, 18178), (2501, 16390), (3278, 12505), (3355, 12218), (4510, 9089), (5002, 8195), (6109, 6710)]