38861840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 97821120

約数和(自身を除く): 58959280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 691, 703, 740, 760, 1382, 1406, 1480, 1520, 2764, 2812, 2960, 3455, 3515, 5528, 5624, 6910, 7030, 11056, 11248, 13129, 13820, 14060, 25567, 26258, 27640, 28120, 51134, 52516, 55280, 56240, 65645, 102268, 105032, 127835, 131290, 204536, 210064, 255670, 262580, 409072, 485773, 511340, 525160, 971546, 1022680, 1050320, 1943092, 2045360, 2428865, 3886184, 4857730, 7772368, 9715460, 19430920, 38861840]

約数ペア:

[(1, 38861840), (2, 19430920), (4, 9715460), (5, 7772368), (8, 4857730), (10, 3886184), (16, 2428865), (19, 2045360), (20, 1943092), (37, 1050320), (38, 1022680), (40, 971546), (74, 525160), (76, 511340), (80, 485773), (95, 409072), (148, 262580), (152, 255670), (185, 210064), (190, 204536), (296, 131290), (304, 127835), (370, 105032), (380, 102268), (592, 65645), (691, 56240), (703, 55280), (740, 52516), (760, 51134), (1382, 28120), (1406, 27640), (1480, 26258), (1520, 25567), (2764, 14060), (2812, 13820), (2960, 13129), (3455, 11248), (3515, 11056), (5528, 7030), (5624, 6910)]