28075580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 64308384

約数和(自身を除く): 36232804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1301, 1660, 2158, 2602, 4316, 5204, 5395, 6505, 10790, 13010, 16913, 21580, 26020, 33826, 67652, 84565, 107983, 169130, 215966, 338260, 431932, 539915, 1079830, 1403779, 2159660, 2807558, 5615116, 7018895, 14037790, 28075580]

約数ペア:

[(1, 28075580), (2, 14037790), (4, 7018895), (5, 5615116), (10, 2807558), (13, 2159660), (20, 1403779), (26, 1079830), (52, 539915), (65, 431932), (83, 338260), (130, 215966), (166, 169130), (260, 107983), (332, 84565), (415, 67652), (830, 33826), (1079, 26020), (1301, 21580), (1660, 16913), (2158, 13010), (2602, 10790), (4316, 6505), (5204, 5395)]