40028440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1760

約数の個数: 64

約数和(自身を含む): 97920000

約数和(自身を除く): 57891560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 1699, 2356, 2945, 3398, 4712, 5890, 6796, 8495, 11780, 13592, 16990, 23560, 32281, 33980, 52669, 64562, 67960, 105338, 129124, 161405, 210676, 258248, 263345, 322810, 421352, 526690, 645620, 1000711, 1053380, 1291240, 2001422, 2106760, 4002844, 5003555, 8005688, 10007110, 20014220, 40028440]

約数ペア:

[(1, 40028440), (2, 20014220), (4, 10007110), (5, 8005688), (8, 5003555), (10, 4002844), (19, 2106760), (20, 2001422), (31, 1291240), (38, 1053380), (40, 1000711), (62, 645620), (76, 526690), (95, 421352), (124, 322810), (152, 263345), (155, 258248), (190, 210676), (248, 161405), (310, 129124), (380, 105338), (589, 67960), (620, 64562), (760, 52669), (1178, 33980), (1240, 32281), (1699, 23560), (2356, 16990), (2945, 13592), (3398, 11780), (4712, 8495), (5890, 6796)]