40147900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 95150160

約数和(自身を除く): 55002260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 347, 356, 445, 650, 694, 890, 1157, 1300, 1388, 1735, 1780, 2225, 2314, 3470, 4450, 4511, 4628, 5785, 6940, 8675, 8900, 9022, 11570, 17350, 18044, 22555, 23140, 28925, 30883, 34700, 45110, 57850, 61766, 90220, 112775, 115700, 123532, 154415, 225550, 308830, 401479, 451100, 617660, 772075, 802958, 1544150, 1605916, 2007395, 3088300, 4014790, 8029580, 10036975, 20073950, 40147900]

約数ペア:

[(1, 40147900), (2, 20073950), (4, 10036975), (5, 8029580), (10, 4014790), (13, 3088300), (20, 2007395), (25, 1605916), (26, 1544150), (50, 802958), (52, 772075), (65, 617660), (89, 451100), (100, 401479), (130, 308830), (178, 225550), (260, 154415), (325, 123532), (347, 115700), (356, 112775), (445, 90220), (650, 61766), (694, 57850), (890, 45110), (1157, 34700), (1300, 30883), (1388, 28925), (1735, 23140), (1780, 22555), (2225, 18044), (2314, 17350), (3470, 11570), (4450, 9022), (4511, 8900), (4628, 8675), (5785, 6940)]