326218880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39209}}^1$

素因数の和:39241

約数の個数: 64

約数和(自身を含む): 839878200

約数和(自身を除く): 513659320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 39209, 78418, 156836, 196045, 313672, 392090, 509717, 627344, 784180, 1019434, 1254688, 1568360, 2038868, 2509376, 2548585, 3136720, 4077736, 5018752, 5097170, 6273440, 8155472, 10194340, 12546880, 16310944, 20388680, 25093760, 32621888, 40777360, 65243776, 81554720, 163109440, 326218880]

約数ペア:

[(1, 326218880), (2, 163109440), (4, 81554720), (5, 65243776), (8, 40777360), (10, 32621888), (13, 25093760), (16, 20388680), (20, 16310944), (26, 12546880), (32, 10194340), (40, 8155472), (52, 6273440), (64, 5097170), (65, 5018752), (80, 4077736), (104, 3136720), (128, 2548585), (130, 2509376), (160, 2038868), (208, 1568360), (260, 1254688), (320, 1019434), (416, 784180), (520, 627344), (640, 509717), (832, 392090), (1040, 313672), (1664, 196045), (2080, 156836), (4160, 78418), (8320, 39209)]