1235320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 2818800

約数和(自身を除く): 1583480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 347, 356, 445, 694, 712, 890, 1388, 1735, 1780, 2776, 3470, 3560, 6940, 13880, 30883, 61766, 123532, 154415, 247064, 308830, 617660, 1235320]

約数ペア:

[(1, 1235320), (2, 617660), (4, 308830), (5, 247064), (8, 154415), (10, 123532), (20, 61766), (40, 30883), (89, 13880), (178, 6940), (347, 3560), (356, 3470), (445, 2776), (694, 1780), (712, 1735), (890, 1388)]