26749720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 64504800

約数和(自身を除く): 37755080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 577, 610, 760, 1154, 1159, 1220, 2308, 2318, 2440, 2885, 4616, 4636, 5770, 5795, 9272, 10963, 11540, 11590, 21926, 23080, 23180, 35197, 43852, 46360, 54815, 70394, 87704, 109630, 140788, 175985, 219260, 281576, 351970, 438520, 668743, 703940, 1337486, 1407880, 2674972, 3343715, 5349944, 6687430, 13374860, 26749720]

約数ペア:

[(1, 26749720), (2, 13374860), (4, 6687430), (5, 5349944), (8, 3343715), (10, 2674972), (19, 1407880), (20, 1337486), (38, 703940), (40, 668743), (61, 438520), (76, 351970), (95, 281576), (122, 219260), (152, 175985), (190, 140788), (244, 109630), (305, 87704), (380, 70394), (488, 54815), (577, 46360), (610, 43852), (760, 35197), (1154, 23180), (1159, 23080), (1220, 21926), (2308, 11590), (2318, 11540), (2440, 10963), (2885, 9272), (4616, 5795), (4636, 5770)]